<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="分类" prop="categoryId">
        <el-select v-model="queryParams.categoryId" placeholder="请选择分类" clearable>
          <el-option
            v-for="dict in dict.type.item_category"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="商品编号" prop="sn">
        <el-input
          v-model="queryParams.sn"
          placeholder="请输入商品编号"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="名称" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-badge :value="carData.length" class="item">
          <el-button
            type="warning"
            icon="el-icon-shopping-cart-2"
            size="mini"
            @click="handleDetail"
          >查看购物车
          </el-button>
        </el-badge>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="itemList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center"/>
      <el-table-column label="商品ID" align="center" prop="id"/>
      <el-table-column label="商品编号" align="center" prop="sn"/>
      <el-table-column label="名称" align="center" prop="name"/>
      <el-table-column label="图片" align="center" prop="picture" width="100">
        <template slot-scope="scope">
          <image-preview :src="scope.row.picture" :width="50" :height="50"/>
        </template>
      </el-table-column>
      <el-table-column label="分类" align="center" prop="categoryId">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.item_category" :value="scope.row.categoryId"/>
        </template>
      </el-table-column>
      <el-table-column label="价格" align="center" prop="price"/>
      <el-table-column label="创建时间" align="center" prop="createTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime, '{y}-{m}-{d} {h}:{i}:{s}') }}</span>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改商品对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="800px" append-to-body>
      <el-table :data="carData">
        <el-table-column label="商品ID" align="center" prop="id"/>
        <el-table-column label="商品编号" align="center" prop="sn"/>
        <el-table-column label="名称" align="center" prop="name"/>
        <el-table-column label="图片" align="center" prop="picture" width="100">
          <template slot-scope="scope">
            <image-preview :src="scope.row.picture" :width="50" :height="50"/>
          </template>
        </el-table-column>
        <el-table-column label="分类" align="center" prop="categoryId">
          <template slot-scope="scope">
            <dict-tag :options="dict.type.item_category" :value="scope.row.categoryId"/>
          </template>
        </el-table-column>
        <el-table-column label="价格" align="center" prop="price"/>
        <el-table-column label="创建时间" align="center" prop="createTime" width="180">
          <template slot-scope="scope">
            <span>{{ parseTime(scope.row.createTime, '{y}-{m}-{d} {h}:{i}:{s}') }}</span>
          </template>
        </el-table-column>
        <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
          <template slot-scope="scope">
            <el-button
              size="mini"
              type="text"
              icon="el-icon-delete"
              @click="handleDelete(scope.row)"
            >删除
            </el-button>
          </template>
        </el-table-column>
      </el-table>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">提交订单</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {listItem, submitOrder} from "@/api/system/item";

export default {
  name: "Item",
  dicts: ['item_category', 'sys_yes_no'],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 商品表格数据
      itemList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        categoryId: null,
        sn: null,
        name: null,
        isOnsale: 'Y'
      },
      carData: [],
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询商品列表 */
    getList() {
      this.loading = true;
      listItem(this.queryParams).then(response => {
        this.itemList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.carData = selection
      this.ids = selection.map(item => item.id)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    handleDetail() {
      this.open = true
      this.title = "购物车"
    },
    /** 提交订单按钮 */
    submitForm() {
      let amount = 0
      this.carData.forEach(i => {
        amount += i.price
      })
      submitOrder({
        code: new Date().valueOf(),
        amount: amount,
        status: '1',
        orderItems:this.carData
      }).then(response => {
        this.$modal.msgSuccess("提交成功");
        this.open = false;
        this.getList();
      });
    },
    /** 购物车删除按钮操作 */
    handleDelete(row) {
      let carData2 = []
      this.carData.forEach(item => {
        if (item.id !== row.id) {
          carData2.push(item)
        }
      })
      this.carData = carData2
    },
  }
}
;
</script>
<style lang="scss" scoped>
.item {
  margin-top: 10px;
  margin-right: 40px;
}
</style>
